66057716094 has 8 divisors (see below), whose sum is σ = 132115432200. Its totient is φ = 22019238696.

The previous prime is 66057716041. The next prime is 66057716161. The reversal of 66057716094 is 49061775066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

66057716094 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5504809669 + ... + 5504809680.

It is an arithmetic number, because the mean of its divisors is an integer number (16514429025).

Almost surely, 2^66057716094 is an apocalyptic number.

66057716094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66057716094 is a wasteful number, since it uses less digits than its factorization.

66057716094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009619354.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 66057716094 in words is "sixty-six billion, fifty-seven million, seven hundred sixteen thousand, ninety-four".